In recent years, orthodontic diagnosis has progressed to include aesthetic diagnosis and treatment planning based on the patient's requirements, combined with the traditional problem-oriented approach. It had been suggested that dentists and laypeople but not orthodontists preferred 2 mm gingival display with short face, but for the long face the orthodontist preferred 0 mm gingival display, while the dentists and laypeople preferred 2 mm gingival display [ 6 ]. The Cleft Palate-Craniofacial Journal. The purpose of this study was to determine what the most attractive facial type is; dentists, specialist dentists, and laypeople assess if the smile would influence the facial types esthetics perception. Flat background with smiley professionals 44, 1 years ago. The Damon System is based on a unique treatment philosophy that goes beyond straight teeth. In contrast, Zange et al. State anger was measured before and after the anger induction phase using four items from the German version of the State Anger Scale Schwenkmezger et al. Differences in ratings of the different smiles among the different experimental groups were examined using the Kruskal-Wallis test.